Convert Rads per minute to Milligrays per second

Convert Rads per minute (rad/min) to Milligrays per second (mGy/s) instantly and accurately.

Rads per minute (rad/min)
Milligrays per second (mGy/s)

Conversion Formula

mGy/s = rad/min × 0.1666666667

About Rads per minute

The rad per minute (rad/min) equals 0.01 Gy/min ≈ 1.67×10⁻⁴ Gy/s. Historically the primary US radiation therapy output unit: cobalt-60 and early linac machines from the 1960s-1980s are documented in rad/min at isocentre; radiation processing conveyor throughput calculations and legacy NIST linac calibrations use rad/min. 1 rad/min = 0.01 Gy/min = 1 cGy/min.

About Milligrays per second

The milligray per second (mGy/s) equals 1e-3 Gy/s. Used in high-dose-rate applications: medical linac output in IMRT mode is 1-5 mGy/s at isocentre; electron beam processing conveyors deliver 1-10 mGy/s; real-time diode dosimeters in linac vaults measure instantaneous dose rate in mGy/s during beam-on periods. 1 mGy/s = 0.1 rad/s = 3.6 Gy/h.

Quick Reference Table

Rads per minute (rad/min)Milligrays per second (mGy/s)
1 rad/min0.166667 mGy/s
2 rad/min0.333333 mGy/s
5 rad/min0.833333 mGy/s
10 rad/min1.66667 mGy/s
25 rad/min4.16667 mGy/s
50 rad/min8.33333 mGy/s
100 rad/min16.6667 mGy/s

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